From dcf87bab819740f263f6024ac75e9d0c09967376 Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Wed, 3 Apr 2019 10:30:50 +0200
Subject: ddns-status.php: give more helpful error messages

---
 ddns-status.php | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/ddns-status.php b/ddns-status.php
index 5c42ca7..2e7c38a 100644
--- a/ddns-status.php
+++ b/ddns-status.php
@@ -1,9 +1,17 @@
 <?php
 
+function die_http($error, $message, $extra_message) {
+  header('Status: ' . $error . ' ' . $message);
+  print 'Error ' . $error . ': ' . $message . "\n";
+  if ($extra_message != '')
+    print "<br>\n" . $extra_message . "\n";
+  die();
+}
+
 $pin = popen('dig @127.0.0.1 ddns.eckner.net AXFR', 'r');
 
 if (!$pin)
-  die();
+  die_http(500, 'Internal Server Error', 'Failed to get Zone.');
 
 $found = false;
 $axfr = array();
@@ -30,7 +38,7 @@ while (($line = fgets($pin)) !== false) {
 pclose($pin);
 
 if (! $found)
-  die();
+  die_http(403, 'Forbidden', 'You are not known to ddns.');
 
 $hosts = explode(
   "\n",
-- 
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